Home / 946,277.06-1,305,812.46-516,473.78

Finding the Fourth Proportional to 946,277.06, 1,305,812.46 and 516,473.78

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Solution

The fourth proportional to 946,277.06, 1,305,812.46 and 516,473.78 is: 712,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,277.06 : 1,305,812.46 = 516,473.78 : x
  2. Step 2: Convert to fraction form
    946,277.06/1,305,812.46 = 516,473.78/x
  3. Step 3: Cross multiply
    946,277.06x = 1,305,812.46 × 516,473.78
  4. Step 4: Simplify right side
    946,277.06x = 674,417,897,187.30
  5. Step 5: Solve for x
    x = 674,417,897,187.30/946,277.06
  6. Step 6: Final answer
    x = 712,706.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.